White 1010 - Material Puckers; Breaking Needle; Changing Light Bulb

PROBLEM
PROBABLE
CAUSE
CORRECTION
The
material
Upper
or
lower
thread
tension
too
tight
P.12.
P.19
puckers
Stitch too
long
for
material
P.1
7
Thread
too
thick
P.16
Incorrect
threading
of
upper
or
lower
thread
P.13,
P.1
1
Breaking
needle
Needle
not
correctly
inserted
P.
7
Needle
bent
P.
7
Needle
clamp
screw
too
loose
P.
7
Upper
thread
tension
too
tight
P.1
9
Needle
too
fine
for
the
material
P.16
Dials
and
levers
have
been
changed
while
P
1
7 P
20
the
needle
was
down
in
the
material
.
Zigzag
width set
more
than
2.5
while
twin
needle
was
attached
n.b.
If
trouble
is
dealer.
Do
not
try
to
correct
fault
by
yourself.
Changing
Light
Bulb
Unplug
the
machine.
Open
face
cover as
shown.
Remove
bulb by
unscrewing
it
in
counterclockwise.
Install a
new
bulb
by
screwing
it
in
clockwise.
still
apparent
in
the
machine,
please
consult
your
nearest
—42--